Explanation:

- To find the speed, we first convert the distance and time into the same units.

- The man runs 200 meters in 24 seconds.

- First, calculate his speed in meters per second:

$$Speed=\frac{200\text{ m}}{24\text{ s}}=8.33\text{ m/s}$$

- Now, convert this speed into kilometers per hour.

$$1\text{ m/s}=3.6\text{ km/h}$$

$$8.33\text{ m/s}=8.33\times 3.6\text{ km/h}=29.988\text{ km/h}$$

- This rounds to approximately 30 km/h.

- Option 1: 30 km/h is the correct answer.

- Option 2: 32 km/h is too high.

- Option 3: 24 km/h is too low.

- Option 4: 33 km/h is too high.